An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 2925-01-510-9378
NSN 5960-01-193-5224
NSN 5985-01-246-4604
NSN 6135-00-228-8140
NSN 5905-01-657-6449
NSN 5895-01-337-7647
NSN 5915-01-026-2257
NSN 6105-01-584-2746
NSN 6240-00-284-1457
NSN 6220-00-868-5651
NSN 5999-00-087-7923
NSN 6145-01-036-9262